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Contractor license records in Sumner, WA
3 records with Sumner as their locality of record in CSLB's records, as of November 3, 2026. Statuses print as the board records them; a record listed as suspended is not a current credential.
Source: California Contractors State License Board (CSLB) — records as of November 3, 2026. Records change; the board’s own CSLB License Check is the current source.
By classification in Sumner
General Engineering (2) · Electrical (1) · Low Voltage Systems (1)
- INFRASOURCE SERVICES LLC CLEAR
- POTELCO INC CLEAR
- SEFNCO COMMUNICATIONS INC CLEAR